Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
26/05/2024, 19:52
General
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Target
2024-05-26_8f0948cfe44ecc3a24d6c254226c0c67_cryptolocker.exe
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Size
40KB
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MD5
8f0948cfe44ecc3a24d6c254226c0c67
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SHA1
c4f0d4792a2d1c01e99468f3ca24272feeb05e68
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SHA256
41efc316e257c154c2dc2fbcbbcdeae6f42517a22e9a8b80da3aaaad003f046f
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SHA512
f12e944385d7772482728fc006391964e52a172e34caebe9a69902d18b31157b0b5403edf1bf4854d1733b70857e93a47a3db1a2c4cbf682387a6577bcc7ff48
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYF:qDdFJy3QMOtEvwDpjjWMl7TY
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-26_8f0948cfe44ecc3a24d6c254226c0c67_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_8f0948cfe44ecc3a24d6c254226c0c67_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD562e7875d1468185f1460ee367284ca05
SHA1c39cf5394e8a67cf47d36b85b6812643f9be503e
SHA2566b1001886797ec1dbf6ee5920fab129096a2db19f2e2b558aba00292d1d6b654
SHA51238d0f207d7b5d2d7c2fe832eeb24a88d28cd823da84c8747ce34393a0f568255c943bddab33aaa9d6fad3629d11784b78f7e9e849aa382441294a42b3aba0415
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB